The Blue Mountains Mystery
Movie| Title | The Blue Mountains Mystery |
| User score | 0 |
| Release date | Nov 5, 1921 |
| Genre | Mystery |
| Director | Lottie Lyell , Raymond Longford |
| Production country | AU |
| Budget | $5,300 |
The Blue Mountains Mystery involves the alleged murder of a wealthy businessman, Henry Tracey, and the eventual discovery that the victim was an underworld look-alike impersonator.